That was an interesting, although a bit dated read. Glad you shared that link.
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Oh man, I’ll take that nic off your hands if you still have it.
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Blockquote
PM sent Dan.
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Found this text (with dead links) on a seemingly goofy public farm:
PG:
This is from the Dow Chemical Web site:
Storage: PG USP/EP has a shelf life of two years when stored below 40°C (104°F) in closed containers away from sources of ultraviolet (UV) light.
.
VG:
Proctor and Gamble Tech Data Sheet:
Storage: Protect material from direct sunlight.
Shelf Life:
We expect the shelf life of Superol VEG, Glycerin USP/FCC to be approximately 2 years if it is kept under the recommended storage and handling conditions. If the product has not been used within 2 years, we recommend to test the product for key specifications. No specific data has been collected for the shelf-life of opened containers of glycerin [, and since glycerin] is hygroscopic, it can be expected that moisture content would increase upon extended exposure to air.
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And that affects the quality of your end product. Just try some fresh juice in an RTA or RDA and compare it with another that has been standing still for a few days. The difference is easily noticeable.
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Picked up 4g of vg for 13.99 each. Flavors are a bit limited but was showing enormous restraint and only got 2 bottles of flavor. I’d always thought they only did lg sizes of flavors until I looked around there more.
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The (not common, but still on occasion spontaneously present) snap, crackle, pops (with my 60/40 PG/VG NET juice in my RTA, when raising temps) seem like hitting little “clumps” of so-trapped Water.
Once one lets-off the “Fire” control, in between draws, (I) tend to forget that the e-juice in the coil/wick area slowly cools off from the highest temperature reached, thus increasing chemical reaction “kinetics”.
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